Lust in Space

Nam-geun is having sex with the youngest female employee at work every lunch time and Kim is learning sex from a married superior. Lee is going around, poking everyone here and there. All of them get horny once work starts. One day, Hee-soo, the sexiest worker, comes back from China and she's become even sexier. The male workers start to beg her for sex...

Erotic secrets are revealed to all when the scorching sex tapes made by three couples go missing in this sizzling tale.

Three men and women start living together. Byeong-soo is chosen in a scenario contest and is picked to write a script for a movie, so he leaves the noisy city and moves in with his married senior from school. At the house is Ji-eun, the senior's wife and a young and sexy Bo-yeong. The three living together leads to some risky situations!

Woo-seong, a freelance translator, relieves stress by having sex with his sex partner, Ji-yeong, whenever things get stuck at work. Ji-yeong provides Woo-seong with a new type of sex every time. One day, Woo-seong meets his college senior, Cheol-min, and is invited to come to his house. He learns there that his former lover, Hye-ran, is now his senior's wife. Woo-seong awkwardly calls Hye-ran her sister-in-law, and together with his current girlfriend, Mi-jin, the two couples drink and have a good time. The following day, Cheol-min leaves for work. That evening, Woo-seong and Hye-ran resolved a misunderstanding from their past and ended up having sex. However, they are caught by Mi-jin, so she decides to seduce Cheol-min as revenge. From that day on, the four met occasionally and enjoyed swapping partners.

Yeong-bin can’t get a job and his father, Jin-il, thinks he’s incompetent. Yeong-bin is seeing Min-jeong, the florist, but she feels distant from Yeong-bin, who dreams of going to Seoul one day. One day, Jin-il brings home Ye-won, whom he is going to get remarried with, and Yeong-bin is furious, because she is his ex-girlfriend who abandoned him. However, they find out there was a misunderstanding to their break-up and they develop feelings for each other once again. Meanwhile, Min-jeong feels more attracted to Jin-il, because he’s more dependable.

Min-Soo is an elite fencer, ranked among the world's best. He is popular among women due to his good looks. His girlfriend is Ji-Ye. They have been friends since they were in kindergarten. Now, Ji-Ye gets tired of Min-Soo, who wants to have sex all the time. Min-Soo, though, has no problems finding a new partner, but Ji-Ye has troubles finding a partner due to her inexperience. One day, Ji-Ye meets Dong-Joon and feels something different for him. Meanwhile, Min-Soo realizes that he really loves Ji-Ye and decides to get her back.

Joon-ha had the best night of his life with an older woman he met while drinking. He starts looking for her as he can't forget the feeling and finally they meet. However, she's going to become his new stepmom. She's his father's girlfriend. When the three start living together, things turn edgy and then dangerous when his father leaves the house one day.

Sang-ho, a student who is not interested in studying and wants to take over his father's company and live comfortably, starts tutoring because of his father's anger. Sang-ho, who had little expectations, gradually falls into the secret class of his sexy tutor Hyeon-jeong. And a few days later, a younger, sexier tutor appears...

Mixed-up model and bar hostess Kotoko sleeps with her coworker Genki, but can't seem to let herself sleep with the guy she really likes.

In an ordinary-looking house, live the owner couple, Se-kyung and Jung-sik, their daughter,Ma-ri, and Jin-seong who's new to society. The couple is on vacation, and Ma-ri and Jin-seong are alone in the house. One ordinary day, An Uninvited Guest called Soo-jeong comes along. She had a fight with her husband and had come to stay in her brother's house for a few days. However, one night Soo-jeong gets drunk and mistakes Jin-seong's room for hers. As a result, they end up sleeping together. Ma-ri sees Soo-jeong come out of Jin-seong's room, but suspects nothing else. Vegetarian Jin-seong craves sex and sleeps with Soo-jeong once again. However, Soo-jeong goes back to her husband, and Jin-seong can't help but feel lonely. Meanwhile, Ma-ri likes Jin-seong and seduces him to have sex with her, but she's outraged when he tells her he had sex with her aunt. This is the story of the ordinary but not so ordinary, secretive house.

An accountant visits her daughter who is secretly living with her boyfriend who is a fraud. She is surprised by what she sees and hears. Soon, a dangerous cohabitation begins with her daughter's lover.